期刊
MARINE ECOLOGY PROGRESS SERIES
卷 528, 期 -, 页码 245-255出版社
INTER-RESEARCH
DOI: 10.3354/meps11281
关键词
Nursery areas; Distribution pattern; Ecosystem approach; Spatial fisheries management; Spatio temporal analysis; Bayesian hierarchical modelling; Merluccius merluccius
资金
- Ministerio de Educaction y Ciencia (Spain) [MTM2010-19528, MTM2013-42323-P]
- European Regional Development Fund
Spatial and temporal closures of fish nursery areas to fishing have recently been recognized as useful tools for efficient fisheries management, as they preserve the reproductive potential of populations and increase the recruitment of target species. In order to identify and locate potential nursery areas for spatio-temporal closures, a solid understanding of species-environment relationships is needed, as well as spatial identification of fish nurseries through the application of robust analyses. One way to achieve knowledge of fish nurseries is to analyse the persistence of recruitment hotspots. In this study, we propose the comparison of different spatio-temporal model structures to assess the persistence of a spatial process. In particular, we apply our approach to a 2-stage Bayesian hierarchical spatio-temporal model that describes both the occurrence and the abundance of European hake Merluccius merluccius recruits in the western Mediterranean Sea. Results clearly show areas of high occurrence and abundance, mainly along the shelf break and the upper slope of the Spanish Mediterranean coast. Understanding the distributional patterns associated with key life stages such as recruitment is essential for appropriate spatial management, including the implementation of Fisheries Restricted Areas and/or Marine Protected Areas that improve the management of fishery resources.
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